//
//  CollegeStudent.h
//  OC02_实例变量可见度_方法
//
//  Created by 侯平章 on 16/2/21.
//  Copyright © 2016年 侯平章. All rights reserved.
//

#import "Student.h"

@interface CollegeStudent : Student/** 父类是Student*/
{
    NSString *_number;
    NSString *_major;
}

- (void)setNumber:(NSString*)number;
- (NSString*)number;
- (void)setMajor:(NSString*)major;
- (NSString*)major;

@end
